Finding the Fourth Proportional to 499,274, 748,911 and 166,850
Calculator
Solution
The fourth proportional to 499,274, 748,911 and 166,850 is: 250,275
Step by Step Solution
- Step 1: Write the proportion equation
499,274 : 748,911 = 166,850 : x - Step 2: Convert to fraction form
499,274/748,911 = 166,850/x - Step 3: Cross multiply
499,274x = 748,911 × 166,850 - Step 4: Simplify right side
499,274x = 124,955,800,350 - Step 5: Solve for x
x = 124,955,800,350/499,274 - Step 6: Final answer
x = 250,275
Related Problems
Find fourth proportional to 249,637, 374,455.50 and 83,425
Half scale
Find fourth proportional to 998,548, 1,497,822 and 333,700
Double scale
Find fourth proportional to 499,275, 748,912.50 and 166,851
Similar ratio
Find fourth proportional to 748,911, 1,123,366.50 and 250,275
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.